How To Fix MPE_PLAN_RTG_VERS132 - Original negative quantity &1 cannot be changed to positive &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_PLAN_RTG_VERS - Manage Production Routing Version

• Message number: 132

• Message text: Original negative quantity &1 cannot be changed to positive &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_PLAN_RTG_VERS132 - Original negative quantity &1 cannot be changed to positive &2 ?

  The SAP error message MPE_PLAN_RTG_VERS132 indicates that there is an issue with the planning version in the system, specifically related to the quantities being processed. The message states that an original negative quantity cannot be changed to a positive quantity, which typically occurs in the context of planning or budgeting scenarios.
  Cause:
  
  Negative to Positive Quantity Change: The error arises when there is an attempt to change a quantity that is originally negative (e.g., a planned reduction or a negative budget) to a positive value. This is not allowed because it violates the logical flow of planning data.
  Data Integrity Rules: SAP enforces data integrity rules that prevent such changes to ensure that the planning data remains consistent and accurate.
  Incorrect Planning Logic: The planning logic or the business process may not allow for a direct conversion from negative to positive, which could lead to inconsistencies in reporting or analysis.
  
  Solution:
  
  Review the Planning Data: Check the planning data for the specific item or version that is causing the error. Ensure that the quantities are correctly defined and that the intended changes make sense within the context of your planning process.
  Adjust the Planning Logic: If the business process allows, consider adjusting the planning logic to accommodate the necessary changes. This may involve creating a new entry or adjusting the existing one in a way that maintains the integrity of the data.
  Consult Documentation: Refer to SAP documentation or your organization's guidelines on planning and budgeting to understand the rules governing quantity changes.
  Use a Different Approach: Instead of changing the negative quantity directly to a positive one, consider reversing the negative entry and then creating a new positive entry if that aligns with your planning requirements.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They may provide insights specific to your version of SAP or any known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may be used for planning and budgeting in SAP, such as CPI1, CPI2, or CPI3 for planning versions.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to planning data, as restrictions may also lead to errors.
  Testing Changes: Always test changes in a development or sandbox environment before applying them to production to avoid unintended consequences.
  
  By following these steps, you should be able to address the error and ensure that your planning data remains accurate and compliant with SAP's requirements.